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California Integrated Water Quality System Project (CIWQS)
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Place ID 224429 		  
  
  
  
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General Information
Region Place ID Place Name Place Type Place Address Place County
3 224429 Fiero Lane Water Company, Inc. Wastewater Treatment Facility Fiero Ln San Luis Obispo, CA, 93401-7904 San Luis Obispo
Expand/Contract Related Parties
Related Parties
Party Party Type Party Name Role Classification Relationship Start Date Relationship End Date
16117 Organization Fiero Lane Water Company Inc Owner Privately-Owned Business 11/01/2002
Total Related Parties: 1
Expand/Contract Regulatory Measures
Regulatory Measures
Reg Measure ID Reg Measure Type Region Program Order No. WDID Effective Date Expiration Date Status Amended?
133138 WDR 3 WDRMUNIOTH 04-0189 3 401023001 12/03/2004 12/03/2019 Historical N
133139 WDR 3 WDRMUNIOTH R3-2004-0154 3 401023001 12/03/2004 12/03/2019 Active N
132347 WDR 3 WDRMUNIOTH 03-0039 3 401023001 10/24/2003 10/24/2018 Historical N
143837 WDR 3 WDRMUNIOTH 89-016 3 401023001 01/13/1989 01/10/2004 Historical N
142936 WDR 3 WDRMUNIOTH 79-059 3 401023001 07/13/1979 07/01/1989 Historical N
Total Reg Measures: 5
Expand/Contract Violations
Violations
Violation ID Occurred Date Violation Type (-) Violation Description Corrective Action Status Classification Source
1145145 07/28/2025 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 10.0 mg/L and reported value was 17.2 mg/L. Violation B Report
1145146 04/26/2025 Deficient Reporting On April 26, 2025, the daily effluent Total Coliform sample was not collected due to a miscommunication between multiple staff members that were onsite that day. Staff reviewed the sampling requirements and are changing procedures and documentation to minimize chances of this occurring again in the future. Violation B Report
1143233 02/28/2025 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 10.0 mg/L and reported value was 11.8 mg/L. Violation B Report
1135141 09/30/2024 CAT1 Total Dissolved Solids (TDS) 30-Day Average limit is 1450.0 mg/L and reported value was 1700 mg/L. Violation B Report
1130339 05/31/2024 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 10.0 mg/L and reported value was 16.5 mg/L. Violation B Report
1130338 05/02/2024 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.1 SU. Violation B Report
1130337 05/01/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 1 ml/L. Violation B Report
1128158 03/19/2024 CAT1 Total Dissolved Solids (TDS) 30-Day Average limit is 1450.0 mg/L and reported value was 1700 mg/L. Violation B Report
1128157 03/11/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.2 ml/L. Violation B Report
1128156 03/10/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.3 ml/L. Violation B Report
1128155 03/07/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.3 ml/L. Violation B Report
1128154 03/06/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.5 ml/L. Violation B Report
1128153 02/21/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.6 ml/L. Violation B Report
1128152 02/05/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.7 ml/L. Violation B Report
1128150 01/19/2024 DMON Effluent Settleable Solids was not collected for January 19th 2024 (daily monitoring required) Violation B Report
1128151 01/06/2024 CAT1 Settleable Solids Daily Maximum limit is 0.1 ml/L and reported value was 0.6 ml/L. Violation B Report
1131321 09/11/2023 CAT1 Chloride 30-Day Average limit is 65.0 mg/L and reported value was 157 mg/L. Violation B Report
1131322 09/11/2023 CAT1 Sodium, Total 30-Day Average limit is 70.0 mg/L and reported value was 126 mg/L. Violation B Report
1131319 07/01/2023 Deficient Reporting A glitch occurred in our new reporting software that deleted samples from the schedule. As the samples are scheduled for the last month in each quarter, it was not noted until July that the samples were not collected. The missing information included effluent flow, Nitrate, Nitrite, TKN, Chloride, Sodium, and TDS. The influent information that is missing is chloride, sodium, and TDS. Violation B Report
1123062 06/14/2023 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU. Violation B Report
1115622 10/25/2022 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 10 mg/L and reported value was 13 mg/L. Violation B Report
1103601 03/01/2022 CAT1 Total Suspended Solids (TSS) 30-Day Average limit is 10.0 mg/L and reported value was 11.9 mg/L. Violation B Report
1097008 09/30/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.1 SU. Violation B Report
1097007 09/21/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU. Violation B Report
1097006 09/09/2021 OEV pH Instantaneous Minimum limit is 6.5 SU and reported value was 6.4 SU. Violation B Report
Report displays most recent five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 25 Priority Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
*As of 5/20/2010, the Water Board's Enforcement Policy requires that all violations be classified as 1, 2 or 3, with class 1 being the highest. Prior to this, violations were simply classified as Yes or No. If a 123 classification has been assigned to a violation that occurred before this date, that classification data will be displayed instead of the Yes/No data.
Violation Types
CAT1 = Category 1 Pollutant (Effluent Violation for Group 1 Pollutant) DMON = Deficient Monitoring
Deficient Reporting = Deficient Reporting OEV = Other Effluent Violation
Expand/Contract Enforcement Actions
Enforcement Actions
Enf Id Enf Type Enf Order No. Effective Date Status
410117 Notice of Violation null 10/28/2016 Historical
409803 Notice of Violation null 07/01/2016 Historical
301394 Staff Enforcement Letter 03/23/2006 Historical
252976 Staff Enforcement Letter 06/14/2004 Historical
227451 Notice of Violation 03/08/2000 Historical
Total Enf Actions: 5
Expand/Contract Inspections
Inspections
Inspection ID Inspection Type Lead Inspector Actual End Date Planned Violations Attachment
24749072 Complaint inspection Jon Rokke 06/06/2016 N 0 N/A
24749047 Complaint inspection Jon Rokke 06/03/2016 N 0 N/A
18886428 B Type compliance inspection Chris Adair 10/24/2014 Y 0 N/A
1329411 B Type compliance inspection David LaCaro 03/11/2008 Y 0 N/A
1148008 B Type compliance inspection Allison Dominguez 06/12/2007 Y 0 N/A
338101 B Type compliance inspection Matt Thompson 04/20/2005 Y 0 N/A
333389 B Type compliance inspection Matt Thompson 03/03/2004 Y 0 N/A
329926 B Type compliance inspection Sorrel Marks 04/08/2003 Y 0 N/A
329925 B Type compliance inspection Sorrel Marks 12/04/2002 Y 0 N/A
292034 B Type compliance inspection Scott Phillips 12/05/2001 Y 0 N/A
292033 B Type compliance inspection Scott Phillips 06/08/2001 Y 0 N/A
292032 B Type compliance inspection Sorrel Marks 03/21/2000 Y 0 N/A
292028 B Type compliance inspection Sorrel Marks 06/02/1999 Y 0 N/A
292030 B Type compliance inspection Sorrel Marks 06/15/1998 Y 0 N/A
292026 B Type compliance inspection Sorrel Marks 06/11/1997 Y 0 N/A
292027 B Type compliance inspection Tom Kukol 10/09/1995 Y 0 N/A
292031 B Type compliance inspection Ron Sherer 02/06/1995 Y 0 N/A
292029 B Type compliance inspection Ron Sherer 10/17/1994 Y 0 N/A
Total Inspections: 18 Last Inspection: 06/06/2016
  
The current report was generated with data as of: 05/13/2026
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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